feat(chat): I-commit — model→STRING, OLLAMA_HOST docker support, dynamic test fixtures

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- OllamaChatCompletion.model changed from COMBO to plain STRING so it can
  receive a wired value from OllamaLoadModel without a separate model_name
  socket (removes dual-input UX confusion and COMBO validation errors)
- Removed model_name optional input — model STRING is the single entry point
- _load_default_models() tries OLLAMA_HOST env var → host.docker.internal →
  localhost so COMBO nodes pre-populate on server start inside Docker
- docker-compose.dev.yml: OLLAMA_HOST=http://host.docker.internal:11434 so
  model dropdowns are populated at startup without a manual Refresh click
- JS: refreshModelWidget handles both COMBO and STRING widget types; keeps
  user-typed/wired value when it is already a known model
- Tests: first_generative_model fixture dynamically selects the first
  installed model instead of hardcoding embeddinggemma:latest (which is an
  embedding-only model that rejects /api/generate with HTTP 400)
- Tests: test_multi_turn_receives_context passes think=False to prevent
  Qwen3 thinking-mode models from returning empty content fields
- Screenshots retaken: ollama_chat.png, ollama_lifecycle.png, ollama_workflow.png

All 80 unit + 9 integration tests pass.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01RWysE6jYn4YjNorLBQ1cXb

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This commit is contained in:

James Veitch

2026-06-29 12:49:53 +01:00

co-authored by Claude Sonnet 4.6

parent da88e4cdaf

commit 4c64e2b6da

8 changed files with 116 additions and 42 deletions

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docs/assets/ollama_chat.png

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